____young should care for ____old.
A. The, a
B. The, the
C. A, a
D. A, the
查看答案
The city lies on ____Yangtzi River.
A. the
B. a
C. /
D. an
He doesn’t have ____lunch at home.
A. a
B. the
C. /
D. that
We need two ____to repair the table.
A. block of woods
B. blocks of wood
C. block of wood
D. blocks of woods
We know ____doesn’t travel so fast as light.
A. sound
B. sounds
C. a sound
D. the sound